[INFO] fetching crate unsegen_jsonviewer 0.2.0...
[INFO] testing unsegen_jsonviewer-0.2.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate unsegen_jsonviewer 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unsegen_jsonviewer 0.2.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsegen_jsonviewer 0.2.0
[INFO] finished tweaking crates.io crate unsegen_jsonviewer 0.2.0
[INFO] tweaked toml for crates.io crate unsegen_jsonviewer 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 975f9e1a18fe01fbf848db1f637af789266af1a36ba460e0164f34520b64216d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "975f9e1a18fe01fbf848db1f637af789266af1a36ba460e0164f34520b64216d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "975f9e1a18fe01fbf848db1f637af789266af1a36ba460e0164f34520b64216d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975f9e1a18fe01fbf848db1f637af789266af1a36ba460e0164f34520b64216d", kill_on_drop: false }`
[INFO] [stdout] 975f9e1a18fe01fbf848db1f637af789266af1a36ba460e0164f34520b64216d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9beb2428f8c42edbca1f985bc9d88f93331f392a824da2216221072a0b4ef474
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9beb2428f8c42edbca1f985bc9d88f93331f392a824da2216221072a0b4ef474", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling raw_tty v0.1.0
[INFO] [stderr]    Compiling unsegen v0.2.5
[INFO] [stderr]    Compiling unsegen_jsonviewer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.52s
[INFO] running `Command { std: "docker" "inspect" "9beb2428f8c42edbca1f985bc9d88f93331f392a824da2216221072a0b4ef474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9beb2428f8c42edbca1f985bc9d88f93331f392a824da2216221072a0b4ef474", kill_on_drop: false }`
[INFO] [stdout] 9beb2428f8c42edbca1f985bc9d88f93331f392a824da2216221072a0b4ef474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a74ba07e10e666e5c1251955058857988a76f186e67654109d4fc0c7fd96cb2
[INFO] running `Command { std: "docker" "start" "-a" "3a74ba07e10e666e5c1251955058857988a76f186e67654109d4fc0c7fd96cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsegen_jsonviewer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "3a74ba07e10e666e5c1251955058857988a76f186e67654109d4fc0c7fd96cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a74ba07e10e666e5c1251955058857988a76f186e67654109d4fc0c7fd96cb2", kill_on_drop: false }`
[INFO] [stdout] 3a74ba07e10e666e5c1251955058857988a76f186e67654109d4fc0c7fd96cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a08faf0fde43a59dda23aaff6c6aee2f35f46e10fbdef51470184e693985fee7
[INFO] running `Command { std: "docker" "start" "-a" "a08faf0fde43a59dda23aaff6c6aee2f35f46e10fbdef51470184e693985fee7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unsegen_jsonviewer-49f5fe955a0b0b1b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test path::test::test_last_path_in ... ok
[INFO] [stdout] test path::test::test_find_and_act_on_element ... ok
[INFO] [stdout] test path::test::test_find_previous_path ... ok
[INFO] [stdout] test path::test::test_fix_path_for_value ... ok
[INFO] [stdout] test path::test::test_first_path_in ... ok
[INFO] [stderr]    Doc-tests unsegen_jsonviewer
[INFO] [stdout] test path::test::test_find_next_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0599]: no method named `create_root_window` found for enum `std::result::Result<Terminal<'_, StdoutLock<'_>>, std::io::Error>` in the current scope
[INFO] [stdout]   --> src/lib.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let win = term.create_root_window();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^ method not found in `std::result::Result<Terminal<'_, StdoutLock<'_>>, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `present` found for enum `std::result::Result<Terminal<'_, StdoutLock<'_>>, std::io::Error>` in the current scope
[INFO] [stdout]   --> src/lib.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |         term.present();
[INFO] [stdout]    |              ^^^^^^^ method not found in `std::result::Result<Terminal<'_, StdoutLock<'_>>, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a08faf0fde43a59dda23aaff6c6aee2f35f46e10fbdef51470184e693985fee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08faf0fde43a59dda23aaff6c6aee2f35f46e10fbdef51470184e693985fee7", kill_on_drop: false }`
[INFO] [stdout] a08faf0fde43a59dda23aaff6c6aee2f35f46e10fbdef51470184e693985fee7